- DB Size: 543 million rows

- Data Size: 173GB (uncompressed)

- Stored in mysql

- 200+ Million tweets from 13+ Million users

- Collected in 1 week

- Operation costs: 100+ dollars

- Rackspace Cloud - 1 CentOS 8GB Ram server

- Java, memcache, mysql and perl for core processing

- js, php for analytics & visualization

* Download the data at this url http://www.archive.org/details/2011-06-calufa-twitter-sql